Discomfort and cramping
Nutritist Refluxter Sodium Alginate Capsules
A sodium alginate, calcium carbonate and sodium bicarbonate capsule taken two at a time after meals and at bedtime.
- Format
- Capsule
- Type
- Alginate (mucosal barrier)
- Cost
- $1.10 per day at one two-capsule serving; the bottle allows up to four servings
- Customer rating
- 4.4 out of 5 from 674 ratings from Amazon
What customers consistently report
- Relief of heartburn and night-time or throat reflux
- An easy-to-swallow capsule with no taste
- Relief within a few days for those it works for
Those are the themes that recur across the reviews. Moderate review confidence — Amazon shows 4.4 from 674 independent ratings, but the brand’s 4.73 from 48 reviews comes through a review app where 18 reviews state the product was provided free, and there is no Trustpilot profile for nutritist.us.
Why it might work
Sodium alginate, extracted from seaweed, reacts with stomach acid to form a gel. In alginate-antacid products the carbonate and bicarbonate release small gas bubbles that make the gel float as a raft on top of the stomach contents, and calcium helps the gel set. If reflux happens, the raft is meant to come up first, so what reaches the esophagus is gel rather than acid. That is why it is taken after meals and at bedtime rather than before eating. It is a physical barrier, not an acid reducer, so it acts only where the raft forms. The brand says its capsule opens in the stomach and the alginate hydrates there. What the label does not let you check is how much alginate and how much bicarbonate each serving holds, or whether a capsule forms a raft as a liquid does.
What the research supports
No trial of this capsule was found. The evidence for alginate raft products comes from liquid and chewable alginate-antacid medicines: a 14-trial analysis of 2,095 people found alginate beat placebo or antacids on reflux symptoms (odds ratio 4.42), and a 424-person trial of a chewable alginate-antacid gave a meaningful symptom drop in 47.8% against 33.2% on placebo over 7 days. As an add-on to a daily acid-suppressing drug the results were mixed: positive in a 136-person trial, negative on the main outcome in a 262-person trial and in a Korean trial of a bicarbonate-free alginate. The brand’s laryngopharyngeal reflux (silent reflux) claim rests on a 49-person open-label trial of a liquid alginate.
What the label discloses
The panel prints one number, 1.47 g of an alginate complex per two capsules, which covers the sodium alginate, calcium carbonate and sodium bicarbonate together, so the amount of each is not listed. The brand says “1,000+ mg” of sodium alginate and describes it as a high G-block grade, without a G-block ratio. The label states a GMP facility and lot testing for heavy metals, results on request, with no laboratory named. The bottle carries a California lead warning, which the brand explains by the 8-capsule daily maximum, and each serving holds 150.3 mg of sodium.
Who this tends to suit
We match this product to people reporting heartburn or reflux and general abdominal discomfort. It fits someone whose priority is day-to-day comfort or handling meals. Whether it is the best fit for you depends on the rest of your answers — what you have already tried, what format you will take, and anything that has to be ruled out.
Where it may not fit
The label supports vegan and no added sweeteners. We flag this product for anyone pregnant or breastfeeding or taking prescription medication, and the quiz removes it rather than recommending it in those cases. That is a caution about who should be deciding, not a claim about the product. A capsule only works if you will take it as often as the label directs.
Side effects and what to be aware of
About 10% of Amazon ratings are one or two stars; 20 of 57 side-effect mentions are negative (stomach cramps, pain, bloating) and a few reviewers say it made their reflux worse. The bottle says not to use it with an ileostomy, intestinal transit problems or trouble swallowing capsules, for adults only, and to consult a physician if pregnant, lactating, on prescription medication or with a medical condition. The brand page showed the bottle as sold out when read.
Common questions
Does Nutritist Refluxter work?
No trial of this capsule was found. Alginate products as a class beat placebo or antacids on reflux symptoms in a 14-trial analysis (odds ratio 4.42), though those were liquids and chewables and add-on results were mixed. On Amazon it holds 4.4 from 674 ratings, with 205 positive and 66 negative effectiveness mentions.
Is Refluxter an antacid, and is it the same as Gaviscon?
Refluxter lists sodium alginate, calcium carbonate and sodium bicarbonate, the same three ingredient types as alginate-antacid medicines such as Gaviscon, but its label is a Supplement Facts panel, not a Drug Facts panel. It prints only a 1.47 g total for the three per two capsules, so the amounts cannot be compared with Gaviscon’s. Amazon lists it under Antacids.
How much does Refluxter cost per day?
A 60-capsule bottle is $32.99 on the brand site and on Amazon, which is $1.10 for one serving of two capsules. The bottle allows up to four servings a day, which is $4.40 a day, and the brand’s own schedule for silent reflux is that maximum. Subscribing is $29.69 on the brand site and $28.04 on Amazon.
What are the side effects of Refluxter, and who should avoid it?
The bottle says people with an ileostomy or conditions affecting intestinal transit, or with difficulty swallowing capsules, should not take it, and it is for adults only. Each serving has 150.3 mg of sodium, and the brand tells people with kidney concerns or high blood pressure to watch sodium and calcium. On Amazon 20 of 57 side-effect mentions are negative, such as stomach cramps, pain and bloating.
Refluxter vs RefluxRaft, Reflux Gourmet or Khelp: what is the difference?
Refluxter is a capsule at 1.47 g of an alginate complex per two capsules, with the alginate stated only as 1,000+ mg by the brand. RefluxRaft and Reflux Gourmet are gels or liquids, and Khelp is a capsule that declares 950 mg of sodium alginate, 170 mg of sodium and 70 mg of calcium. No trial compares them.
Before you take this. Speak to a doctor or pharmacist first if you are pregnant or breastfeeding, or taking prescription medication. Nothing on this page is medical advice, and no supplement diagnoses, treats, cures or prevents disease.
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Related reading
Background on how this type of product works, read from the trial evidence.